Oil Prices in September 2009: WTI & Brent Daily Prices and Monthly Average
WTI averaged $69.41 per barrel in September 2009, down $1.64 (2.3%) from August 2009. The average was 33% below the $104.11 of September 2008.
Daily spot prices, September 2009
Chart data table (21 rows)
| Period | WTI | Brent |
|---|---|---|
| Sep 30, 2009 | $70.46 | $65.82 |
| Sep 29, 2009 | $66.56 | $64.63 |
| Sep 28, 2009 | $66.69 | $65.43 |
| Sep 25, 2009 | $65.91 | $64.60 |
| Sep 24, 2009 | $65.74 | $64.99 |
| Sep 23, 2009 | $68.74 | $67.43 |
| Sep 22, 2009 | $71.50 | $69.65 |
| Sep 21, 2009 | $69.74 | $68.11 |
| Sep 18, 2009 | $71.95 | $70.72 |
| Sep 17, 2009 | $72.48 | $71.56 |
| Sep 16, 2009 | $72.50 | $68.51 |
| Sep 15, 2009 | $70.81 | $66.53 |
| Sep 14, 2009 | $68.86 | $66.91 |
| Sep 11, 2009 | $69.34 | $68.76 |
| Sep 10, 2009 | $71.95 | $68.96 |
| Sep 9, 2009 | $71.27 | $69.76 |
| Sep 8, 2009 | $71.08 | $69.20 |
| Sep 4, 2009 | $67.95 | $65.84 |
| Sep 3, 2009 | $67.90 | $66.78 |
| Sep 2, 2009 | $68.03 | $67.60 |
| Sep 1, 2009 | $68.11 | $68.78 |
Prices peaked at $72.50 on Sep 16, 2009, then fell to $65.74 on Sep 24, 2009 and ended at $70.46. The largest one-day move was +$3.90 on Sep 30, 2009 (+5.9%).
Brent traded below WTI on average this month: $67.65 for the month, $1.76 under WTI across 21 matched dates.
Adjusted with CPI-U, the September 2009 average equals $108.29 in September 2026 dollars.
September 2009 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $69.41 | $67.65 |
| Change vs August 2009 | −$1.64 | −$4.86 |
| Change vs September 2008 | −$34.70 | −$29.58 |
| Highest daily price | $72.50 Sep 16, 2009 | $71.56 Sep 17, 2009 |
| Lowest daily price | $65.74 Sep 24, 2009 | $64.60 Sep 25, 2009 |
| Published daily observations | 21 | 21 |
| Average in September 2026 dollars (CPI-U) | $108.29 | $105.54 |
Monthly averages are EIA's published figures. Real figures use CPI-U for September 2009.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Sep 1, 2009 – Sep 30, 2009 | Sep 30, 2009 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Sep 1, 2009 – Sep 30, 2009 | Sep 30, 2009 |
| U.S. Bureau of Labor Statistics | CUUR0000SA0 — CPI-U, all items, NSA | index, 1982–84=100 | monthly | September 2026 |
Last updated: Oct 21, 2026, 5:27 PM CDT. Raw values are shown in source units; any conversion is labeled. See methodology and data sources.
Download:2009 daily prices (CSV)